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1990 Jaguar XJ6 Repair Question


Topics covered: Engine, Engine performance, Performance.
Mileage: No information provided.

Asked on October 4, 2010

1990 Jaguar XJ6 Highway Performance with premium fuel

Engine Performance problem
1990 Jaguar XJ6 6 cyl Two Wheel Drive Automatic 200,00 miles

I have heard that a car runs better and performs better with premium fuel vs convenience stop fuel. What is your opinion on fuel necessary to always have a excellent highway trip of 550 miles (round trip).

No Answer Yet